292

Hydrostatics

ter, as usual, and disposed in a 'properTable; making that of Water 1,000.

In

Star Stone,

3,45°

Hard Paving Stone,

2,460

Burs or d Stone,

2.049

Alabaster,

1,875

Rag-Stone,

2,470

Rotten-Stone,

1,980

Copperas-Stone,

4>3°°

Chalk,

2,370

Slate,

2,740

Oil-Stone,

2,380

An Hone,

2,388

China,

2,270

Piece of Brown Stone Bottle,

i,777

Piece of White Stone Mug,

2,250

Talc,

2,657

- of Venice,

2,780

-of ‘Jamaica ,

3,000

Armenian Bole, or Earth,

2,727

Common Sea Coal,

1,272

Magnet, or Loadstone,

1,840

Piece of Stonehenge , very hard,

2,018

ditto , of a softer Sort,

2,506

Brijiol Stone,

2,510

19. ANIMAL SUBSTANCES.

Bone of an Ox,

1,656

Ivory,

1,826

The Tip of a Rhinoceros s Horn,

1,242

of an Ox Horn,

1,840

—--of a Stag’s Horn,

1,875

Calculus humanus,

1,700

Ditto

1,240

Ditto

i,433

Ditto

1,660

Oyster-Shell,

2,092

Murex-Shell,

2,590